● Yellow Line

Chennai Metro Rail (CMRL)

Proposed

Stations

14.6 km

Line Length

Chennai Metro Yellow Line Overview

The Yellow Line is a metro line of the Chennai Metro, a rapid transit system in Chennai, India. It falls under Corridor 4 of Phase 2 of the Chennai Metro. Its entire proposed route is from Lighthouse to Poonamallee Bypass. Currently, the section from Poonamallee Bypass to Vadapalani, covering approximately 14.64 km, is operational with 11 active stations. View Yellow Line Metro route information, list of active stations, route map, interchanges, fares, travel time and distance between origin and destination, and nearby major attractions. YoMetro provides you with Chennai Metro Yellow Line route, first and last train timings, metro route map, fare chart, interchanges, major tourist attractions near metro stations, metro news and other related information.

Yellow Line Route Map 2026

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Official Map

Yellow Line History, Facts & Expansion

The Chennai Metro Yellow Line is part of Phase 2 of the Chennai Metro and is also known as Corridor 4.
The line extends from Lighthouse to Poonamallee Bypass.
The total length of this corridor is approximately 26.1 km and a total of 30 stations are planned.
Currently, approximately 14.64 km of the section from Poonamallee Bypass to Vadapalani is operational, which includes 11 active stations.
The active stations on the Yellow Line include Poonamallee Bypass, Poonamallee Bus Terminus, Poonamallee Government Hospital, Karayanchavady, Kummananchavady, Kattupakkam, Iyyappanthangal, Thelliyargaram, Porur Bypass, Porur Junction and Vadapalani.
The operational section of this line is expected to commence operations on 11 October 2026. Work on the remaining stations and the rest of the corridor is ongoing.

Extension of Chennai Metro Yellow Line

The Yellow Line of the Chennai Metro is part of Corridor 4 of Phase 2. The entire corridor is approximately 26.1 kilometres long, from Lighthouse to Poonamallee Bypass. The approximately 14.64-kilometre section from Poonamallee Bypass to Vadapalani was commissioned on 11 October 2026. Work on the remaining section is ongoing. The exact date for commissioning of the entire corridor has not yet been announced.